30102030120123 has 64 divisors (see below), whose sum is σ = 49303722101760. Its totient is φ = 18263418999840.

The previous prime is 30102030120101. The next prime is 30102030120133. The reversal of 30102030120123 is 32102103020103.

30102030120123 is a `hidden beast` number, since 301 + 0 + 20 + 301 + 20 + 1 + 23 = 666.

It is not a de Polignac number, because 30102030120123 - 2⁹ = 30102030119611 is a prime.

It is a super-2 number, since 2×30102030120123² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30102030120096 and 30102030120105.

It is not an unprimeable number, because it can be changed into a prime (30102030120133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5437561 + ... + 9474762.

It is an arithmetic number, because the mean of its divisors is an integer number (770370657840).

Almost surely, 2^{30102030120123} is an apocalyptic number.

30102030120123 is a deficient number, since it is larger than the sum of its proper divisors (19201691981637).

30102030120123 is an equidigital number, since it uses as much as digits as its factorization.

30102030120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14912428 (or 14912410 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30102030120123 its reverse (32102103020103), we get a palindrome (62204133140226).

The spelling of 30102030120123 in words is "thirty trillion, one hundred two billion, thirty million, one hundred twenty thousand, one hundred twenty-three".